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Key Points and Summaries


Wave Structure
Types of waves
Wave equations
Wave Names


Node_anti_node.gif
http://www.youtube.com/watch?v=XzrpH9L6kug&feature=fvsr Types of waves
http://www.youtube.com/watch?v=18BL7MKjtZM Standing waves at a beach
http://www.youtube.com/watch?v=PevRZAxDxZw Watch this as the waves interfere and the aplitudes are added together

Refraction
Wave Changes Speed
Wave Changes Direction
Wave Changes Wavelength
Wave does not change frequency - Same number going in same number going out

Snells Law

Refraction.JPG
http://www.youtube.com/watch?v=PrEF9UN98cE Great simple explanation
http://www.youtube.com/watch?v=y801N5DtQ8I Simple for refraction
http://www.youtube.com/watch?v=rQukmSPctks&feature=related How a rainbow works

Total Internal Refraction / Total Internal Reflection
Critical Angle (90)
Snells Law


http://www.youtube.com/watch?v=PrEF9UN98cE Great simple explanation

Reflection - Simple Plane Mirrors
Angle in = Angle out
Type of images
Ray Diagrams
Sight

//http://www.youtube.com/watch?v=BCPGOZ7RQCU&feature=related// How reflection works
//http://www.youtube.com/watch?v=9aWE4rDw_ks&feature=related// Lavs of reflection
//http://www.youtube.com/watch?v=QUZGek8pl5s// How to construct a ray diagram part one
//http://www.youtube.com/watch?v=_v8RV7fKUKo// How to construct a ray diagram part two
//http://www.youtube.com/watch?v=PevRZAxDxZw// Reflection of waves at Gisbourne Beach
//http://www.youtube.com/watch?v=2P3nKJHO2j0&feature=related// Simple demos introducing reflection

Reflection - Curved Mirrors
Convex and Concave

Rules Also apply to Concave and Lenses

Refraction - Lenses
Concave and Convex



Uses of Lenses
Telescope
Binoculars
Eye

//http://www.rkm.com.au/ANIMATIONS/animation-physics-lens-converge.html//
//http://www.rkm.com.au/ANIMATIONS/animation-physics-convex-lens.html//
//http://www.kscience.co.uk/animations/eye.htm//

Waves and Strings
Conceptual Reference - Waves at a beach
Waves in water


Diffraction